adidas Terrex Fast R GTX Walking Shoes - AW16 traxion sole Synthetic Overlays - Add durability and support to the construction. EVA Tongue Top and Collar - Deliver an optimal fit. Speed Lacing Construction - For fast and snug lacing enabling a sock-like feel. PRO-MODERATOR - Medial support device prevents over-pronation. Continental Rubber Outsole - Provides a supreme purchase underfoot, especially in wet conditions.